New Sphaerochthonius species from the Neotropical region (Acari: Oribatida)

Abstract

Two new species of the family Sphaerochthoniidae (Acari: Oribatida) are described and illustrated. Sphaerochthonius litoralis sp. n. occurs in the littoral zone of several islands of the Galapagos archipelago (Ecuador), S. windsori sp. n. was collected in dry deciduous forests in Panama. Adult and juvenile instars of both species are described. A key of Sphaerochthonius species known from the Neotropical region is added.